I am converting a Bootstrap theme into Wordpress but I cannot get my scripts to load in and run

What I have done is removed the script tags from the head and put them into the functions.php file using the wp_register_script function and the wp_enqueue_script function. I have looked at the answers for other peoples similair questions and tried formatting it like them but I still cant get the scripts to run. I am new to web development and new to Wordpress. Also, in the header, there is a script tag that is calling multiple function but I get an error in the console that says "Uncaught Reference error.